Gerry Harvey didn't get where he is by being dumb - and I believe I have underestimated him on this subject.
It now seems rather obvious he wasn't chasing the 10% GST, but rather the collection mechanism - and by the Australian Government trying to push this out to the platforms (I wonder whose idea that was?), Gerry was hoping for the "get stuffed" response from them.
The result is: Gerry Harvey now sees his competition diminishing.
It was never about the GST.
I agree with all of this. I seriously underestimated the enemy.
Note that Amazon can now charge higher prices to Australians than for the rest of the world, since Australians will be blocked from Amazon US, Amazon UK, Amazon DE, etc.
Since it will get harder for us to arbitrage higher local prices, I expect Amazon AU and others to take advantage of this.